What is the penalty for cancelling a flight on American Airlines? (Quick Ask Expert) American Airlines allows cancellations with full refunds within 24 hours of booking, provided your departure is at least two days away +𝟙-𝟠𝟝𝟝-(𝟝𝟝𝟘)-𝟘𝟡𝟙𝟡 For non-refundable tickets, you can make changes or cancel without a fee, but you'll receive a travel credit instead of a refund +𝟙-𝟠𝟝𝟝-(𝟝𝟝𝟘)-𝟘𝟡𝟙𝟡 Is American Airlines charging for cancellations? Yes, you can cancel your American Airlines flight without a fee if you do so within 24 hours of booking +𝟙-𝟠𝟝𝟝-(𝟝𝟝𝟘)-𝟘𝟡𝟙𝟡, as long as the reservation was made at least seven days before the flight❜s scheduled departure.